MUTCD W10-5 · Warning signs
Low ground clearance at railroad crossing
What it means
Warns of low ground clearance at railroad crossing.
What to do about it
It is a warning sign: the yellow diamond warns of a condition ahead so you can slow down and be ready before you reach it. (MUTCD W10-5.)
Practice this on the real test format
Signs are the part of the DMV written test people fail on, because reading them is a skill rather than a fact to memorize. Aprobify drills all 1034 of them, and tells you why each answer is what it is.
Get the appSign designations follow the MUTCD and the California MUTCD published by Caltrans; meanings are checked against the California Driver's Handbook (DL 600, rev. 6/2025). Edited by Fernando Aguilera. Aprobify is not affiliated with the California DMV.
Signs in the same family
These sit next to it in the warning signs series — the ones most easily mixed up with it.
- W10-3L Side road with railroad tracks parallel to the left
- W10-3R Side road with railroad tracks parallel to the right
- W10-4L T intersection with railroad tracks parallel to the left
- W10-4R T intersection with railroad tracks parallel to the right
- W10-5P Supplemental plaque for low ground clearance warning
- W10-7 Activated blank-out sign warning of approaching light rail transit
